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Reading Quiz 7Objectives: Define terms such as EDV, ESV, SV and cardiac outputCalculate SV from EDV and ESV, and CO from HR and SVDefine the cardiac cycle and be able to describe the mechanical eventsin orderRelate pressure changes to volume changesKnow the factors that affect stroke volume1. The ventricles fill with blood (10)a. because pressure is higher in the atria than the ventriclesb. due to atrial filling which triggers contraction pumping blood into the c. in order to pump to the lungs and the rest of the body d. because blood flows against a pressure gradient ventricle 2. In which structure does pressure REMAIN high throughout the cardiac cycle? (10)3. The end systolic volume is (10)4. Which are true of stroke volume?